Home / 5,276,401.20-7,889,718.60-3,932,708.40

Finding the Fourth Proportional to 5,276,401.20, 7,889,718.60 and 3,932,708.40

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Solution

The fourth proportional to 5,276,401.20, 7,889,718.60 and 3,932,708.40 is: 5,880,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,401.20 : 7,889,718.60 = 3,932,708.40 : x
  2. Step 2: Convert to fraction form
    5,276,401.20/7,889,718.60 = 3,932,708.40/x
  3. Step 3: Cross multiply
    5,276,401.20x = 7,889,718.60 × 3,932,708.40
  4. Step 4: Simplify right side
    5,276,401.20x = 31,027,962,611,856.24
  5. Step 5: Solve for x
    x = 31,027,962,611,856.24/5,276,401.20
  6. Step 6: Final answer
    x = 5,880,516.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.